Search a number
-
+
142633411 = 162187991
BaseRepresentation
bin10001000000001…
…10100111000011
3100221101112020221
420200012213003
5243003232121
622053043511
73351235564
oct1040064703
9327345227
10142633411
1173570658
123b926597
132371cb8b
1414d2c16b
15c7c6b41
hex88069c3

142633411 has 4 divisors (see below), whose sum is σ = 142723024. Its totient is φ = 142543800.

The previous prime is 142633363. The next prime is 142633423. The reversal of 142633411 is 114336241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142633411 - 221 = 140536259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142633471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42375 + ... + 45616.

It is an arithmetic number, because the mean of its divisors is an integer number (35680756).

Almost surely, 2142633411 is an apocalyptic number.

142633411 is a deficient number, since it is larger than the sum of its proper divisors (89613).

142633411 is an equidigital number, since it uses as much as digits as its factorization.

142633411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89612.

The product of its digits is 1728, while the sum is 25.

The square root of 142633411 is about 11942.9230509118. The cubic root of 142633411 is about 522.4849148976.

Adding to 142633411 its reverse (114336241), we get a palindrome (256969652).

The spelling of 142633411 in words is "one hundred forty-two million, six hundred thirty-three thousand, four hundred eleven".

Divisors: 1 1621 87991 142633411